.main {
    padding-bottom: 0;
}

.nav {
    overflow: hidden;
    background-color: #fff;
    position: relative;
}

.nav::after,
.list::after {
    content: " ";
    position: absolute;
    width: 100%;
    height: 1px;
    background-color: #bfbfbf;
    left: 0;
    bottom: 0;
}

.nav-list {
    position: relative;
    float: left;
    width: 25%;
    height: 0.8rem;
    line-height: 0.8rem;
    padding: 0 0.1rem;
    box-sizing: border-box;
    font-size: 0.3rem;
    color: #424242;
    text-align: center;
}

.nav-list-active {
    color: #e38a47;
}

.nav-list-active::after {
    content: " ";
    position: absolute;
    width: 0.8rem;
    height: 0.08rem;
    left: 50%;
    margin-left: -0.4rem;
    bottom: 0;
    background-color: #e38a47;
}

.list-box {
    padding: 0 0.3rem;
}

.list {
    position: relative;
    height: 0.9rem;
    line-height: 0.9rem;
    font-size: 0.26rem;
    color: #424242;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

@media (-webkit-device-pixel-ratio: 1.5) {
    .nav::after,
    .list::after {
        -webkit-transform: scaleY(.6666);
        -ms-transform: scaleY(.6666);
        -o-transform: scaleY(.6666);
        transform: scaleY(.6666);
    }
}

@media (-webkit-device-pixel-ratio: 2) {
    .nav::after,
    .list::after {
        -webkit-transform: scaleY(.5);
        -ms-transform: scaleY(.5);
        -o-transform: scaleY(.5);
        transform: scaleY(.5);
    }
}

@media (-webkit-device-pixel-ratio: 3) {
    .nav::after,
    .list::after {
        -webkit-transform: scaleY(.3333);
        -ms-transform: scaleY(.3333);
        -o-transform: scaleY(.3333);
        transform: scaleY(.3333);
    }
}